Outdoor bonsai

These are trees that, by nature, must be placed outside, ideal for balconies, gardens and terraces

Corylopsis sp.

Family

Hamamelidaceae

Origin

China, Japan. Some varieties are common in the Himalayas.

Etymology

«Corylopsis», belonging to the group of «Corylus» (hazelnuts)

Corylopsis sp.

Characteristics

In the wild, it is a shrub with reduced sizes, similar to hazelnut. Before spring sprouting, it develops very attractive hanging bunches: these are the male flowers. Female flowers go unnoticed. It has simple, oval and dentate leaves, with very marked nerves.


Place

Outdoor, in full sun or semi-shade. Avoid long exposures in full sun during summer.


Irrigation

Moderate, but a constant humidity of the substrate must be kept.


Fertilization

Spring and fall.
It is not recommendable to water during summer.

Transplant

Every 2 to 3 years, in fall or at the very end of winter.

Substratum

Akadama 100%, or mixed with volcanic clay (30%).


Pruning and nipping

Pruning

Structural pruning can be performed in winter, when the tree is leafless and thus it is easier to foresee the result.

Nipping

Let shoots grow up to 5-6 leaves and pinch the tips. Pinching can affect flowering, so it is recommended to let the branches lengthen when possible.

Fencing

Spring and summer.


Curiosities

Very common in gardening, gathered with plants of the genus «Forsythia», character-ized, like «Corylopsis», for their very early bloom, occurring at the end of winter.


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Corylopsis sp.